L1handout - PUBH 7430 Lecture 1 Julian Wolfson Division of...

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PUBH 7430 Lecture 1 Julian Wolfson Division of Biostatistics University of Minnesota School of Public Health September 6, 2011
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Course Overview
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Preliminaries Who am I? Who are you?
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Syllabus review Pre-requisites Course structure TAs Debashree Ray Chi hyun Lee Office hours Textbook Computing
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What is correlation? (Informally:) The degree to which random variables tend to “move together”
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Study design? Questions of interest? Substance abuse, changes over time, patterns of use within friend groups Sampling scheme? Random sample, social network sample
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Sources of correlation Social connections Multiple outcomes (alcohol, marijuana, tobacco) Measurements over time
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Study design? Questions of interest? Changes in weight gain over time Sampling scheme? N individuals, or N / 2 married couples?
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Sources of correlation Husband-wife pairings (shared environment) Measurements over time
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Study design? Questions of interest? HIV incidence by
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This note was uploaded on 11/21/2011 for the course PUBH 7430 taught by Professor Prof.eberly during the Fall '04 term at Minnesota.

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L1handout - PUBH 7430 Lecture 1 Julian Wolfson Division of...

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